You don't have to be a teen to play one on TV. Take it from these stars, who all found big-time success playing characters younger than they were in real life. — Maya Salam, Yahoo! TV

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Bianca Lawson

Bianca Lawson ("Pretty Little Liars"), 32

"Pretty Little Liars"

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ar Bianca Lawson (Maya) has been playing high school students for 20 years. As in two decades. It boggles our mind that someone who was a regular on "Saved by the Bell: The New Class" still can pass for a teenager. But it’s true: Bianca turns 33 on March 20. Where can we get this age potion she must be drinking?